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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > Virtual Passage Planner
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Topic Review (Newest First)
05-26-2009 11:40 AM
sailingdog I've got some friends who swear by VPP2. I'd point out that the historical data it is based on is just that, historical data, and while it may be accurate a majority of the time, it isn't always the case.
05-26-2009 08:38 AM
svsirius Ask the question on the SSCA board. I know there are some users there and several have crossed more than one ocean using it. Also there is an existing thread on this topic so do a search.
05-26-2009 04:45 AM
Omatako
Virtual Passage Planner

Has anybody used this programme and actually put the results of the predictions to the test?

I have used it for a little while now but really just as a what-if tool for fun more than for any real purpose. Now I find myself planning a significant voyage and I start to wonder whether the predictions are any good.

Not that I have any reason to believe they're not. It's just that on my last ocean crossing I used an Admiralty routing chart for info and weather predictions and the information on the chart was not correct at any time throughout the entire 6500nm voyage.

The voyage I may be contemplating is somewhat hazardous and is VERY weather dependant and the sources of weather data in the area are a little thin on the ground. And the predictions I'm getting appear too good to be true.

I wonder whether the wind and current data on VPP is derived by data supplied from the British Admiralty. It could be NOAA. I then get to wondering why it would be any better/worse.

So . . . does anyone believe the stuff that VPP tells them - more importantly, do you have good reason to believe?

 
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